6.1

CVE-2025-48700

Warnung
Medienbericht
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information. This issue arises from insufficient sanitization of HTML content, specifically involving crafted tag structures and attribute values that include an @import directive and other script injection vectors. The vulnerability is triggered when a user views a crafted e-mail message in the Classic UI, requiring no additional user interaction.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Synacor ≫ Zimbra Collaboration Suite Version >= 10.0.0 < 10.0.12
Synacor ≫ Zimbra Collaboration Suite Version >= 10.1.0 < 10.1.4
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update -
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p1
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p10
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p11
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p12
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p13
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p14
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p15
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p16
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p17
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p18
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p19
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p2
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p20
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p21
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p22
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p23
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p24
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p25
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p26
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p27
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p28
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p29
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p3
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p30
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p31
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p31.1
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p32
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p33
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p34
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p35
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p36
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p37
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p38
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p39
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p4
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p40
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p41
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p42
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p43
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p44
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p45
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p46
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p5
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p6
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p7
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p8
Synacor ≫ Zimbra Collaboration Suite Version 8.8.15 Update p9
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update -
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p1
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p10
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p11
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p12
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p13
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p14
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p15
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p16
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p17
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p18
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p19
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p2
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p20
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p21
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p22
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p23
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p24
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p24.1
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p25
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p26
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p27
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p28
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p29
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p3
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p30
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p31
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p32
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p33
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p34
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p35
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p36
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p37
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p38
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p39
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p4
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p40
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p41
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p42
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p5
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p6
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p7
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p8
Synacor ≫ Zimbra Collaboration Suite Version 9.0.0 Update p9
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20.04.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability

Schwachstelle

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that could allow attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.76% 0.751
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Vendor Advisory
https://wiki.zimbra.com/wiki/Security_Center
Release Notes
https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
Product
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48700
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